不绝如缕

hanging by a thread / very precarious / almost extinct / (of sound) linger on faintly

no; not so / (bound form) not; un-

unending / uninterrupted

to cut short / extinct / to disappear / to vanish / absolutely / by no means

variant of 絕|绝[jue2]

as / as if / such as

strand / thread / detailed / in detail / classifier for wisps (of smoke, mist or vapor), strands, locks (of hair)